GHSA-Q7X5-X7RR-2859

Vulnerability from github – Published: 2022-04-16 00:00 – Updated: 2025-10-13 20:34
VLAI?
Summary
PowerShell Elevation of Privilege Vulnerability
Details

PowerShell Elevation of Privilege Vulnerability.

Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Microsoft.PowerShell.SDK"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.0.0-preview.1"
            },
            {
              "fixed": "7.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Microsoft.PowerShell.SDK"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.1.0-preview.1"
            },
            {
              "fixed": "7.1.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Microsoft.PowerShell.SDK"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.2.0-preview.1"
            },
            {
              "fixed": "7.2.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-26788"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2025-10-13T20:34:19Z",
    "nvd_published_at": "2022-04-15T19:15:00Z",
    "severity": "HIGH"
  },
  "details": "PowerShell Elevation of Privilege Vulnerability.",
  "id": "GHSA-q7x5-x7rr-2859",
  "modified": "2025-10-13T20:34:19Z",
  "published": "2022-04-16T00:00:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-26788"
    },
    {
      "type": "WEB",
      "url": "https://github.com/PowerShell/Announcements/issues/31"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/PowerShell/PowerShell"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26788"
    },
    {
      "type": "WEB",
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26788"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "PowerShell Elevation of Privilege Vulnerability"
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.